g2_frequency.py

#get order counts for each user and create a dataframe with it
tx_frequency = tx_uk.groupby('CustomerID').InvoiceDate.count().reset_index()
tx_frequency.columns = ['CustomerID','Frequency']

#add this data to our main dataframe
tx_user = pd.merge(tx_user, tx_frequency, on='CustomerID')

#plot the histogram
plot_data = [
    go.Histogram(
        x=tx_user.query('Frequency < 1000')['Frequency']
    )
]

plot_layout = go.Layout(
        title='Frequency'
    )
fig = go.Figure(data=plot_data, layout=plot_layout)
pyoff.iplot(fig)